Use function pointers to set type-specific filter properties

1 files changed, 20 insertions, 2 deletions

diff --git a/OpenAL32/Include/alFilter.h b/OpenAL32/Include/alFilter.h
index fc91bb16..7d1f7ec0 100644
--- a/OpenAL32/Include/alFilter.h
+++ b/OpenAL32/Include/alFilter.h
@@ -70,18 +70,36 @@ static __inline ALfloat lpFilter1PC(FILTER *iir, ALuint offset, ALfloat input)
 ALfloat lpCoeffCalc(ALfloat g, ALfloat cw);
 
 
-typedef struct ALfilter
-{
+typedef struct ALfilter {
     // Filter type (AL_FILTER_NULL, ...)
     ALenum type;
 
     ALfloat Gain;
     ALfloat GainHF;
 
+    void (*SetParami)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALint val);
+    void (*SetParamiv)(struct ALfilter *filter, ALCcontext *context, ALenum param, const ALint *vals);
+    void (*SetParamf)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALfloat val);
+    void (*SetParamfv)(struct ALfilter *filter, ALCcontext *context, ALenum param, const ALfloat *vals);
+
+    void (*GetParami)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALint *val);
+    void (*GetParamiv)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALint *vals);
+    void (*GetParamf)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *val);
+    void (*GetParamfv)(struct ALfilter *filter, ALCcontext *context, ALenum param, ALfloat *vals);
+
     // Index to itself
     ALuint filter;
 } ALfilter;
 
+#define ALfilter_SetParami(x, c, p, v)  ((x)->SetParami((x),(c),(p),(v)))
+#define ALfilter_SetParamiv(x, c, p, v) ((x)->SetParamiv((x),(c),(p),(v)))
+#define ALfilter_SetParamf(x, c, p, v)  ((x)->SetParamf((x),(c),(p),(v)))
+#define ALfilter_SetParamfv(x, c, p, v) ((x)->SetParamfv((x),(c),(p),(v)))
+
+#define ALfilter_GetParami(x, c, p, v)  ((x)->GetParami((x),(c),(p),(v)))
+#define ALfilter_GetParamiv(x, c, p, v) ((x)->GetParamiv((x),(c),(p),(v)))
+#define ALfilter_GetParamf(x, c, p, v)  ((x)->GetParamf((x),(c),(p),(v)))
+#define ALfilter_GetParamfv(x, c, p, v) ((x)->GetParamfv((x),(c),(p),(v)))
 
 ALvoid ReleaseALFilters(ALCdevice *device);